SI session Sept. 11 Ch. 1,3,4,5

SI session Sept. 11 Ch. 1,3,4,5 - Kaiser Imam BIOL 215 SI...

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Kaiser Imam September 11, 2007 BIOL 215 SI Session Chapters 1, 3, 4, 5 Chapter 1: A Preview of the Cell 1. List the three statements of the cell theory: a) b) c) 2. What is the significance of Friedrich Wohler’s 1828 experiment in which he synthesized urea in the laboratory? Chapter 4: Cells and Organelles 3. Describe some differences between prokaryotic and eukaryotic cells: Prokaryotes Eukaryotes 1
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4. List 3 factors that limit cell size: a) b) c) 5. What general purpose do organelles serve in cells? 6. Compare the sizes of the following organelles: An animal cell ((smaller / larger / about the same) a plant cell An animal cell (smaller / larger / about the same) a bacterium cell Mitochondria (smaller / larger / about the same) a bacterium cell Mitochondria (smaller / larger / about the same) a chloroplast chloroplast (smaller / larger / about the same) a nucleus 7. List the functions of the following organelles: 2
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Structure Function Notes Nucleolus Nuclear Envelope Plasma Membrane Mitochondria Structure Function Notes Chloroplast Rough ER Smooth ER Golgi Complex 3
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Peroxisome Cytoskeleton 8. Which cellular organelle contains hydrolytic enzymes? What is the ideal pH range of hydrolases? Why do these enzymes only work at this pH? Chapter 3: Proteins 9. What is the normal stereochemical configuration of an amino acid in living cells? Draw the general structure of an amino acid with this configuration: 10. Show the general form of the dehydration reaction used in peptide bond formation: 11. In terms of the N- and C- termini, what is the direction of protein synthesis? 4
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SI session Sept. 11 Ch. 1,3,4,5 - Kaiser Imam BIOL 215 SI...

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